1954 12  -4.48 -12.25  -8.36 
1955 01 -13.36 -22.14 -17.75 
1955 02 -11.68 -22.65 -17.16 
1955 03  -9.18 -20.84 -15.01 
1955 04   8.88   -.52   4.17 
1955 05  14.39   4.13   9.26 
1955 06  20.75   8.70  14.72 
1955 07  22.97  12.16  17.56 
1955 08  23.78   9.59  16.68 
1955 09  13.74   2.78   8.26 
1955 10   9.37   -.38   4.49 
1955 11 -11.45 -18.04 -14.75 
1955 12 -17.20 -26.52 -21.86 
1956 01 -17.12 -24.23 -20.68 
1956 02 -13.64 -23.42 -18.53 
1956 03  -6.88 -18.10 -12.49 
1956 04   1.84  -7.69  -2.92 
1956 05  15.03   2.72   8.87 
1956 06  21.68  10.87  16.27 
1956 07  21.25   9.39  15.32 
1956 08  20.51   8.91  14.71 
1956 09  12.85   2.07   7.46 
1956 10   8.43   -.85   3.79 
1956 11  -1.03 -10.84  -5.93 
1956 12 -12.46 -20.29 -16.37 
1957 01 -17.61 -26.95 -22.28 
1957 02 -12.54 -23.66 -18.10 
1957 03  -5.12 -16.62 -10.87 
1957 04   3.97  -7.05  -1.54 
1957 05  14.90   2.74   8.82 
1957 06  19.10   6.22  12.66 
1957 07  24.30  11.88  18.09 
1957 08  19.19   8.24  13.71 
1957 09  15.66   4.14   9.89 
1957 10   8.85  -2.32   3.26 
1957 11  -3.66 -11.23  -7.44 
1957 12 -10.57 -21.07 -15.82 
1958 01  -8.82 -20.04 -14.43 
1958 02 -13.31 -24.35 -18.83 
1958 03  -2.02 -13.34  -7.68 
1958 04   8.52  -3.45   2.53 
1958 06  18.54   4.23  11.39 
1958 07  22.38  10.06  16.21 
1958 09  14.36   3.48   8.92 
1958 10   9.24  -1.28   3.98 
1958 11  -4.92 -12.61  -8.76 
1958 12 -13.05 -20.42 -16.73 
1959 01 -21.45 -28.77 -25.11 
1959 02  -9.10 -22.59 -15.84 
1959 03   0.16 -10.04  -4.94 
1959 04   7.33  -3.44   1.94 
1959 05  14.58   0.60   7.59 
1959 06  20.40   7.05  13.72 
1959 07  24.37  11.00  17.68 
1959 08  20.32   8.31  14.31 
1959 09  13.41   3.19   8.30 
1959 10   3.09  -4.46   -.68 
1959 11  -6.06 -13.46  -9.76 
1959 12  -4.77 -11.54  -8.15 
1960 01 -16.81 -24.88 -20.84 
1960 02 -10.17 -21.57 -15.87 
1960 03  -7.06 -17.53 -12.29 
1960 04   6.30  -3.82   1.24 
1960 05  16.29   2.97   9.63 
1960 06  19.21   7.47  13.34 
1960 07  25.70  10.70  18.20 
1960 08  23.02   9.57  16.29 
1960 09  18.29   4.96  11.63 
1960 10   9.85  -1.36   4.25 
1960 11  -4.41 -11.87  -8.13 
1960 12 -10.17 -19.11 -14.64 
1961 01 -11.60 -22.96 -17.27 
1961 02  -6.96 -99.99 -99.99 
1961 03  -1.13 -11.55  -6.34 
1961 04   5.25  -6.59   -.67 
1961 05  16.95   2.70   9.82 
1961 06  25.32   9.17  17.24 
1961 07  24.51   9.75  17.13 
1961 08  27.81  10.25  19.02 
1961 09  13.60   0.66   7.13 
1961 10   8.21  -1.83   3.19 
1961 11  -2.78 -11.55  -7.16 
1961 12 -16.42 -26.55 -21.48 
1962 01 -14.87 -26.26 -20.56 
1962 02 -14.74 -26.78 -20.76 
1962 03  -4.89 -16.00 -10.44 
1962 06  23.89   9.57  16.73 
1962 07  23.66   9.00  16.33 
1962 08 -99.99   9.57 -99.99 
1962 09  16.79   4.15  10.47 
1962 10  11.67   1.70   6.68 
1962 11   1.72  -7.28  -2.78 
1962 12  -8.72 -17.82 -13.27 
1963 01 -16.67 -26.69 -21.68 
1963 02 -12.17 -23.49 -17.83 
1963 03  -1.73 -12.89  -7.31 
1963 04   9.78  -2.65   3.56 
1963 07  25.31  12.47  18.89 
1963 08  24.85  10.99  17.92 
1963 09  18.86   6.22  12.54 
1963 10  16.15   3.05   9.59 
1963 11   -.62  -9.64  -5.13 
1963 12 -10.98 -20.36 -15.67 
1964 01 -10.46 -19.35 -14.90 
1964 02  -4.52 -14.33  -9.42 
1964 03  -8.42 -21.80 -15.11 
1964 04   9.13  -2.82   3.15 
1964 05  17.82   4.55  11.18 
1964 06  22.17   6.69  14.43 
1964 07  25.00  12.89  18.94 
1964 08  20.43   8.10  14.27 
1964 09  13.80   3.30   8.55 
1964 10  11.49   -.12   5.68 
1964 11  -3.96 -11.11  -7.53 
1964 12 -16.41 -24.97 -20.68 
